'It was quite bad - only captured a few on video, but there were probably at least 30 visibly running around in there...' CameronSmith93 wrote in the comments.

A spokesperson for the City of Sydney told Daily Mail that the colder weather, and nearby construction work, could increase the visibility of the rats in the area:

'An unprecedented number of major demolition and construction works – including the Sydney Light Rail, Barangaroo, and developments on Martin Place and George Street – have been occurring throughout the CBD, stirring up rat populations and leading to increased rat movements.'

While some people were disgusted and swore to never eat there again, others recognised that it's a pretty common problem: